US3773524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flavoring compositions and processes utilizing alpha-ketothiols
Assignee: International Flavors and Fragrances Inc
•
Filing: 1971-07-12
•
Granted: 1973-11-20
•
Expires: 1991-07-12
Abstract
Abstract The use of certain Alpha -Ketothiols of the formula WHEREIN R1 is methyl or ethyl and R2 and R3 are hydrogen, methyl or ethyl to alter the meat flavor and aroma of foodstuffs.
Inventors
- 👤 I Katz
- 👤 W Evers
- 👤 A Sanderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:16
CPC Classifications
A; A23; A23L; A23L27/00; A23L27/20; A23L27/202; A23L27/2022
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
15 words
A process as claimed in claim 1 wherein R3 is hydrogen and R2 is methyl.
Claim 2
Dependent Claim
18 words
A process as claimed in claim 1 wherein R1 is methyl, R2 is methyl and R3 is hydrogen
Claim 3
Dependent Claim
18 words
A process as claimed in claim 1 wherein R1 is ethyl, R2 is methyl and R3 is hydrogen.
Claim 4
Dependent Claim
40 words
A flavoring composition adapted to alter the meat or poultry flavor of a foodstuff containing as the Essential ingredient an Alpha -ketothiol, other than that which may be obtained by reacting a protein hydrolysate, cysteine and thiamine, having the formula
Claim 5
Dependent Claim
16 words
A flavoring composition as defined in claim 5 wherein R3 is hydrogen and R2 is methyl.
Claim 6
Dependent Claim
19 words
A flavoring composition as defined in claim 5 wherein R1 is methyl, R2 is methyl and R3 is hydrogen.
Claim 7
Dependent Claim
19 words
A flavoring composition as defined in claim 5 wherein R1 is ethyl, R2 is methyl, and R3 is hydrogen.
References Cited (Backward Citations)
US3394015A
Cited
GB1156486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |